Consider John McDonnell as chancellor, Diane Abbott as home secretary and Emily Thornberry as foreign secretary. If that doesn’t drive Conservative voters to the polling stations, it’s hard to imagine what will.

Ken Culley Marlborough, Wiltshire

SIR – A few weeks ago the Tories were in a commanding position, and now there is a fair possibility that we will be governed by a coalition of a union-led, economically illiterate, anti-Semitic Labour Party, a rabidly anti-British SNP and the ineffectual Lib Dems.